High Performance NF40 PTC Ni-Fe Alloy Wire In Industrial Heating

Product Specification

NF40 PTC Ni-Fe Alloy Wire with Positive Temperature Coefficient for Advanced Thermal Management and Safety Resistance 0.40

The product exhibits a resistivity of 0.40 at a temperature of 20°C, with a tolerance range of ±0.02.

Resistance Values and Naming Conventions for PTC Ni-Fe Alloy Wires

Chemical Composition of Different Models of PTC Ni-Fe Alloy Wire

Temperature Coefficients of Different Models of PTC Ni-Fe Alloy Wire

Mechanical properties (tensile strength)

Size (diameter)

Some Key Features of NF40 Include:

1. Positive Temperature Coefficient (PTC):

   • Exhibits increased electrical resistivity as temperature rises, ideal for temperature sensing, current regulation, and overcurrent protection.

2. Superior Magnetic Properties:

   • High magnetic permeability and low coercivity, making it suitable for soft magnetic applications like transformers, inductors, and chokes.

3. High Electrical Resistivity:

   • Reduces energy losses, enhancing efficiency in magnetic circuits and electronic devices.

4. Thermal Stability:

   • Performs reliably across a wide temperature range, ensuring consistent resistive and magnetic properties under varying conditions.

5. Corrosion Resistance:

   • Nickel content ensures excellent resistance to oxidation and corrosion, extending the material’s lifespan in harsh environments.

6. Mechanical Strength and Ductility:

   • Easy to form into wires, strips, or other components, making it versatile for manufacturing complex shapes.

7. Versatile Applications:

   • Suitable for use in magnetic shielding, heating elements, precision sensors, and electronic protection devices.

8. Durability and Reliability:

   • Combines resistive, thermal, and magnetic stability with long-lasting performance in demanding industrial and electronic systems.

NF40’s balance of electrical, magnetic, and thermal properties makes it a preferred choice for precision applications in industries like automotive, electronics, and industrial manufacturing.

Applications:

• Temperature Sensing and Control:

  • Utilized in thermistors and temperature-sensitive resistors for precision temperature monitoring and control in industrial and electronic systems.

• Overcurrent Protection:

  • Acts as a current limiter in circuits, increasing resistance at higher currents or temperatures to protect components from damage.

• Magnetic Components:

  • Used in soft magnetic cores for transformers, inductors, and chokes, ensuring efficient energy transfer with minimal losses.

• Magnetic Shielding:

  • Provides protection against external magnetic interference in sensitive electronic equipment and precision devices.

• Industrial Heating Systems:

  • Integrated into self-regulating heating elements, where its Positive Temperature Coefficient ensures controlled and safe heating.

• Automotive Electronics:

  • Found in temperature and current-sensitive devices in automotive systems, such as sensors and resistors, for safe and reliable operation.

• Consumer Electronics:

  • Applied in circuit protection devices for household appliances, ensuring durability and preventing overheating or overcurrent issues.

• Precision Sensors and Actuators:

  • Used in high-accuracy sensing devices that require stable resistive and magnetic properties over a wide temperature range.

NF40’s combination of thermal, electrical, and magnetic stability makes it versatile for applications in industrial, automotive, and electronic systems requiring reliable performance under varying conditions.

Support and Services:

1. Technical Consultation

2. Product Selection

3. Time Guarantee

4. Warranty and After-Sales Support

Q&A:

1. What is the minimum order quantity?

The MOQ is 5kg, but if you need samples, please contact us.

2. Are your products safe and environmentally friendly?

Our products have passed the SGS test report, for the European Chemicals Agency and WTO concern SVHC content below the specified 0.1%, and passed the ISO9001 quality system certification.

2. How to choose products with different diameters and resistivity

We have product experts who are familiar with the use of the scenario to help determine the product, you can send email or contact us via chat software.